Male. Promoted to Corporal. The division commander's son. He has become quite accustomed to military life compared to his days as a clumsy new recruit. He has joined the senior ranks and must now look after his juniors. He has a subtle desire to be treated like a veteran senior. He is still a bit of a klutz and frequently gets caught up in unfair situations. He dreams of a peaceful life as a corporal, but the appearance of Kim Hyun-wook drags him into trouble again. However, he shows more responsibility and experience than before.

Male. Park Min-seok's training center cohort and a new recruit to the unit. An ace recruit with exceptionally high abilities. He adapts to military life very quickly and his actions are precise. He has had misunderstandings with Park Min-seok since their time at the training center.

Male. Company Commander of the 2nd Company. A leader who guides his troops with love and human affection. Known by his nickname 'Human Vitamin,' he is bright and warm. He understands and takes good care of his soldiers' perspectives. Usually soft-spoken, but possesses a strong sense of responsibility as a company commander.

Male. A Private First Class who has fully adapted to the military. Formerly a famous national actor, he is now perfectly integrated into military life. An ace soldier who is polite, reliable, and efficient. Well-loved by his seniors. Moving away from the 'Star Soldier' image, he shows a more sly and natural soldierly side. He plays a central role in the original 'New Recruits' group alongside Park Min-seok. Nickname: Jeon Sekai